''Calytrix duplistipulata'' is a species of flowering plant in the myrtle family
Myrtaceae
Myrtaceae, the myrtle family, is a family of dicotyledonous plants placed within the order Myrtales. Myrtle, pōhutukawa, bay rum tree, clove, guava, acca (feijoa), allspice, and eucalyptus are some notable members of this group. All spe ...
and is
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...
to inland areas of Western Australia. It is a
glabrous
Glabrousness (from the Latin '' glaber'' meaning "bald", "hairless", "shaved", "smooth") is the technical term for a lack of hair, down, setae, trichomes or other such covering. A glabrous surface may be a natural characteristic of all or part o ...
shrub with elliptic to egg-shaped or oblong leaves, and pink to purple flowers with about 9 to 16
stamen
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filam ...
s in a single row.
Description
''Calytrix duplistipulata'' is a glabrous shrub that typically grows to a height of . Its leaves are elliptic, broadly elliptic to egg-shaped or oblong, long and wide on a
petiole long. There are
stipule
In botany, a stipule is an outgrowth typically borne on both sides (sometimes on just one side) of the base of a leafstalk (the petiole). Stipules are considered part of the anatomy of the leaf of a typical flowering plant, although in many speci ...
s up to long at base of the leaves, often 2 stipules at the base of floral leaves, and sometimes at the base of the foliage leaves. The flowers are borne on a
peduncle Peduncle may refer to:
*Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed
*Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body
**Peduncle (art ...
long. The
floral tube is long, has 10 ribs. The
sepal
A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined ...
s are joined for a short distance at the base, the lobes more or less round or elliptic, long and wide with an
awn
AWN may stand for:
* Awn Access to Justice Network in Gaza Strip, Legal Aid Network operate in Gaza Strip, Palestine
* Animation World Network, an online organization for animators
* Avant Window Navigator, a dock-like bar that tracks open wind ...
up to long. The petals are pink to purple, lance-shaped to elliptic, long and wide. There are about 9 to 16 white stamens long in a single row. Flowering occurs from
March to November.
Taxonomy
''Calytrix duplistipulata'' was first formally described in 1987 by
Lyndley Craven
Lyndley Alan Craven (3 September 1945 – 11 July 2014) was a botanist who became the Principal Research Scientist of the Australian National Herbarium.
Lyndley ("Lyn") Craven worked for the CSIRO plant taxonomy unit of the New Guinea Survey Gr ...
in the journal ''
Brunonia
''Brunonia australis'', commonly known as the blue pincushion or native cornflower, is a perennial or annual
Annual may refer to:
* Annual publication, periodical publications appearing regularly once per year
**Yearbook
**Literary annual
* A ...
'' from specimens collected near
Lake Cronin
Lake Cronin is an ephemeral freshwater lake in the Shire of Kondinin as part of the Great Western Woodlands in the Wheatbelt region of Western Australia located approximately east of the town of Hyden and about east south east of Perth. Th ...
in 1982.
The
specific epithet
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
(''duplistipulata'') means 'having double stipules'.
Distribution and habitat
This species of ''Calytrix'' grows in mallee heath in sandy soils on undulating plains from the
Hyden district to the
Fraser Range
The Fraser Range is a small mountain range in southwestern British Columbia, Canada, located north of the western end of Nugent Sound. It has an area of 37 km2 and is a subrange of the Pacific Ranges which in turn form part of the Coast Mou ...
district in the
Coolgardie,
Mallee and
Murchison bioregions of inland Western Australia.
References
{{Taxonbar, from=Q15395603
Plants described in 1987
duplistipulata
Flora of Western Australia
Taxa named by Lyndley Craven